class_docstr: Abstract agent class that can interact with a batch of envs.
docstr: Select a batch of actions.
  
  Args:
      batch_obs (Sequence of ~object): Observations.
  
  Returns:
      Sequence of ~object: Actions.
docstr_tok: ["Select","a","batch","of","actions",".","Args",":","batch_obs","(","Sequence","of","~object",")",":","Observations",".","Returns",":","Sequence","of","~object",":","Actions","."]
code: def batch_act(self, batch_obs: Sequence[Any]) -> Sequence[Any]:
      """Select a batch of actions.
  
      Args:
          batch_obs (Sequence of ~object): Observations.
  
      Returns:
          Sequence of ~object: Actions.
      """
      raise NotImplementedError()
  
imports: import contextlib
  import os
  from abc import ABCMeta, abstractmethod, abstractproperty
  from typing import Any, List, Optional, Sequence, Tuple
  import torch
label_desc: Use image node_id 3 for calling the BatchAgent obj's underlying member method code with example usage: obj.batch_act(batch_obs) without return types